• A dead rodent will give off an unpleasant odour.
• Chew marks can be seen on wires, wood, plastic, rubber, and other materials.
• The higher the rodent infestation is, the mustier the smell present.
• Rodent droppings are the most commonly observed sign of an infestation.
• Scratching, scampering, and gnawing noises in the inside walls, ceilings, and attics.